Kistishi Island

Serena Cole can kick serious butt thanks to young women only she can see. School bullies aren't a problem, but Serena's mental health might be. To shield Serena from a dark secret, her family tries to convince her that her friends are imaginary.Fleeing her distrustful aunt, Serena joins her mother on an archaeological dig at Kistishi Island. There, Serena discovers an ancient scroll and realizes her invisible friends are goddesses native to the island, and they are in danger of enslavement for their abilities. Only Serena can save her friends if she can discover the past her family has hidden her entire life - the reason why only she can see the goddesses.